Jane Street’s Roundhill MSTR WeeklyPay ETF MSTW Stock Holding History

Jane Street’s Portfolio MSTW Stock Details MSTW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-99,661	Closed	-$978K	–	13542
2025 Q4	$978K	Buy	+99,661	New	+$1.88M	﹤0.01%	6172

Other funds holding MSTW

Belvedere Trading Chicago, Illinois $87.6B AUM 131.08% 1-Year Est. Return

Group One Trading Chicago, Illinois $52.2B AUM 104.56% 1-Year Est. Return

Simplex Trading Chicago, Illinois $149B AUM 62.07% 1-Year Est. Return

RFP

Root Financial Partners Encinitas, California $2.57B AUM 21.7% 1-Year Est. Return

Jane Street's MSTW Position: Q1 2026 in Review

Jane Street sold out of Roundhill MSTR WeeklyPay ETF (MSTW) in Q1 2026, closing a stake of 99,661 shares — an estimated $978K sold.

Jane Street first reported a position in MSTW in Q4 2025 and held it in 1 quarter. The position peaked at $978K in Q4 2025. 4 funds tracked by Wall St. Rank hold MSTW as of Q1 2026.

Jane Street reported no remaining Roundhill MSTR WeeklyPay ETF position as of Q1 2026 after selling out during the quarter.
Jane Street sold 99,661 Roundhill MSTR WeeklyPay ETF shares in Q1 2026, an estimated $978K.
Jane Street first reported a position in Roundhill MSTR WeeklyPay ETF in Q4 2025 and held it in 1 quarter.
Jane Street's Roundhill MSTR WeeklyPay ETF position peaked at $978K in Q4 2025.
4 funds tracked by Wall St. Rank held Roundhill MSTR WeeklyPay ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.